- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/325 - Carbamic acidsThiocarbamic acidsAnhydrides or salts thereof
Patent holdings for IPC class A61K 31/325
Total number of patents in this class: 403
10-year publication summary
37
|
36
|
38
|
44
|
36
|
33
|
27
|
26
|
17
|
12
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Axsome Malta Ltd. | 76 |
21 |
SK Biopharmaceuticals Co., Ltd. | 261 |
16 |
Osmotica Kereskedelmi ES Szolgaltato Kft | 23 |
14 |
Arena Pharmaceuticals, Inc. | 367 |
12 |
Bio-Pharm Solutions Co., Ltd. | 60 |
12 |
Ovid Therapeutics Inc | 154 |
11 |
The Regents of the University of California | 19780 |
8 |
Italfarmaco SpA | 146 |
6 |
University of Tennessee Research Foundation | 758 |
6 |
Yissum Research Development Company of The Hebrew University of Jerusalem Ltd. | 1350 |
6 |
Janssen Pharmaceutica N.V. | 3437 |
5 |
Takeda Pharmaceutical Company Limited | 2703 |
5 |
Dompé Farmaceutici S.p.A. | 263 |
4 |
Enanta Pharmaceuticals, Inc. | 428 |
4 |
SK Chemicals Co., Ltd. | 607 |
4 |
Universita' degli Studi di Milano | 232 |
4 |
Azura Ophthalmics Ltd. | 73 |
4 |
Theramex HQ UK Limited | 95 |
4 |
Pelli Skin Co., LLC | 11 |
4 |
The Procter & Gamble Company | 22034 |
3 |
Other owners | 250 |